122969109040 has 20 divisors (see below), whose sum is σ = 285903178704. Its totient is φ = 49187643584.

The previous prime is 122969108993. The next prime is 122969109041. The reversal of 122969109040 is 40901969221.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (122969109041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768556852 + ... + 768557011.

Almost surely, 2^122969109040 is an apocalyptic number.

122969109040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122969109040 is an abundant number, since it is smaller than the sum of its proper divisors (162934069664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122969109040 is a wasteful number, since it uses less digits than its factorization.

122969109040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537113876 (or 1537113870 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 122969109040 in words is "one hundred twenty-two billion, nine hundred sixty-nine million, one hundred nine thousand, forty".